Greatest Common Factor of 428, 287, 489

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 428, 287, 489 by common division method
• Greatest Common Factor of 428, 287, 489 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Factors of 287

List of positive integer factors of 287 that divides 287 without a remainder.

1,7,41,287

Factors of 489

List of positive integer factors of 489 that divides 489 without a remainder.

1,3,163,489

Greatest Common Factor

We found the factors 428,287,489 . The biggest common factor number is the GCF number.
So the greatest common factor 428,287,489 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 501, 444, 651
• GCF of 464, 308, 925
• GCF of 828, 948, 963
• GCF of 390, 492, 527
• GCF of 170, 833, 393

1. What is the GCF of 428, 287, 489?

Answer: GCF of 428, 287, 489 is 1.

2. How to Find the GCF of 428, 287, 489

Answer: Greatest Common Factor(GCF) of 428, 287, 489 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(428, 287, 489) = 1.